Hi Jon, Run some fairly deep saw kerfs every 10" on the underside of the frame. About half way through the frame. Roger At 02:05 PM 1/25/01 -0500, you wrote: >I've been tending to a 25 year old Baldwin L since it was fairly new. > >The keyframe would warp every season. It didn't watter which season I >seated the frame. >It always change with the next season change. I finally felted the bottom >of the keyframe >(front & back rails and the glides) with thin bushing cloth so it would not >knock. > >Still, in the summers, the cheek blocks bind and the action stays shifted >over, we >have to keep the blocks slightly loose come summertime. > >Jon Page > >At 12:04 PM 01/25/2001 -0600, you wrote: >>I was called out to see a Baldwin R less than 2 years old. The piano was >>unplayable. The action was in need of thorough regulation, but the _big_ >>problem was that the front rail was bowed up, decreasing the key dip by >>unworkable amounts. The front rail has adjustable studs in the keybed, but >>the front rail was flying way above the studs, making for a rather >>interesting feel while playing. I must admit I wasn't sure what to do; if I >>raise the studs to bed the front rail, and adjust the height of the keys and >>the front rail punchings to get correct key dip, won't I just be asking for >>problems if the front rail decides to change shape again come the high >>humidity of summer? >> >>Any experience out there that could help in this situation? >> >>Kent Swafford >> >> >>on 1/25/01 6:59 AM, Pianofxrguy@AOL.COM at Pianofxrguy@AOL.COM wrote: >> >> > In a message dated 01/23/2001 11:36:15 AM US Eastern Standard Time, >> > purdy@oak.cats.ohiou.edu writes: >> > >> > >> >> . They were fine when they got here but over the Christmas break the >> >> regulation went completely out the window >> > >> > I have a couple of these grands at a small college in Mishawaka, Ind. >> and had >> > the same thing happen. There is another piano in the same room as one of >> > them, so I couldn't blame the lack of humidity control alone. Baldwin Piano >> > Tech. Serv. did approve a small sum for re-regulating the entire >> action, so I >> > assume that it has happened elsewhere. I haven't been able to determine if >> > the problem is materials or what. >> > John Stroup > >Jon Page, piano technician >Harwich Port, Cape Cod, Mass. >mailto:jonpage@mediaone.net >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >
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